AAT3151B_08 ANALOGICTECH [Advanced Analogic Technologies], AAT3151B_08 Datasheet - Page 6

• Manufacturer Part Number: AAT3151B_08
• Description: High Efficiency 1X/1.5X Charge Pump For White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
(40mV/div)
(40mV/div)
(40mV/div)
(40mV/div)
(40mV/div)
(40mV/div)
6
6
ChargePump
ChargePump
400
350
300
250
200
150
100
50
0
V
V
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
SINK
SINK
CP
CP
V
V
IN
IN
EN/SET Off Timeout vs. Input Voltage
(V
(V
IN
IN
= 3.7V; 1.5X Mode; 15mA Load)
= 4.2V; 1.5X Mode; 30mA Load)
Load Characteristics
Load Characteristics
-40°C
TM
TM
Input Voltage (V)
Time (500ns/div)
Time (500ns/div)
25°C
High Efficiency 1X/1.5X Charge Pump For White LED Applications
High Efficiency 1X/1.5X Charge Pump For White LED Applications
85°C
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
(40mV/div)
(40mV/div)
(40mV/div)
350
300
250
200
150
100
50
20
18
16
14
12
10
0
8
6
4
2
0
V
2.50
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
SINK
CP
V
EN/SET Latch Timeout vs. Input Voltage
IN
2.75
Input Ripple vs. Input Voltage
-40°C
10.2mA
3.00
(V
IN
PRODUCT DATASHEET
PRODUCT DATASHEET
= 3.9V; 1.5X Mode; 20mA Load)
3.25
Load Characteristics
Input Voltage (V)
Input Voltage (V)
25°C
3.50
Time (500ns/div)
AAT3151B
AAT3151B
3.75
20mA
4.00
85°C
3151B.2008.02.1.1
3151B.2008.02.1.1
4.25
30mA
4.50
4.75
5.00